.top { display: flex; align-items: baseline; gap: 12px; padding: 18px 20px; max-width: 680px; margin: 0 auto; }
.brand { font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; letter-spacing: -0.02em; }
.brand span { color: var(--chill-deep); }
.brand-sub { color: var(--ink-3); font-size: 14px; }
.wrap { max-width: 680px; margin: 0 auto; padding: 0 20px 48px; }

.hero { padding: 8px 0 20px; }
.hero h1 { font-size: 30px; margin-bottom: 6px; }
.serial-form { display: flex; gap: 8px; margin-top: 16px; }
.serial-form input {
  flex: 1; font-size: 22px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 14px 16px; border: 2px solid var(--ink); border-radius: var(--r-lg); background: var(--white);
}
.serial-form input::placeholder { color: #b7c0cc; font-weight: 400; letter-spacing: 0.06em; }
.serial-form input:focus { border-color: var(--chill-deep); box-shadow: 0 0 0 4px var(--chill-wash); }
.serial-form .btn { border-radius: var(--r-lg); padding: 0 22px; font-size: 17px; }
@media (max-width: 480px) { .serial-form { flex-direction: column; } .serial-form .btn { padding: 12px; } .hero h1 { font-size: 26px; } }

.unit-card { margin-top: 14px; padding: 14px 16px; background: var(--white); border: 1px solid var(--line); border-left: 4px solid var(--chill); border-radius: var(--r); display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; }
.unit-card .name { font-weight: 600; }
.unit-card .tag { font-size: 13px; padding: 2px 8px; border-radius: 99px; align-self: start; white-space: nowrap; }
.unit-card .tag.yes { background: var(--green-wash); color: #1c5a38; }
.unit-card .tag.no { background: var(--amber-wash); color: #6b4a08; }

.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--line); margin: 6px 0 18px; overflow-x: auto; }
.tab { flex: none; background: none; border: 0; padding: 10px 14px; font-weight: 500; color: var(--ink-3); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tab.active { color: var(--ink); border-bottom-color: var(--ink); }

.panel { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px; }
@media (max-width: 480px) { .panel { padding: 16px; } }

.wcard { border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; margin-top: 14px; }
.wcard .head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.wcard .exp { font-size: 26px; font-weight: 600; margin: 4px 0 0; }
.wcard .exp.bad { color: var(--red); }
.wcard dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 10px 0 0; font-size: 14px; }
.wcard dt { color: var(--ink-3); } .wcard dd { margin: 0; }
.wcard .claims { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); font-size: 14px; }
.big-no { font-size: 32px; font-weight: 700; letter-spacing: 0.04em; }
.foot { margin-top: 28px; line-height: 1.5; }